2012年5月10日
摘要: Dual PalindromesMario Cruz (Colombia) & Hugo Rickeboer (Argentina)A number that reads the same from right to left as when read from left to right is called a palindrome. The number 12321 is a palindrome; the number 77778 is not. Of course, palindromes have neither leading nor trailing zeroes, so 阅读全文
posted @ 2012-05-10 21:33 Zee、 阅读(230) 评论(0) 推荐(0) 编辑
摘要: Palindromic SquaresRob KolstadPalindromes are numbers that read the same forwards as backwards. The number 12321 is a typical palindrome.Given a number base B (2 <= B <= 20 base 10), print all the integers N (1 <= N <= 300 base 10) such that the square of N is palindromic when expressed 阅读全文
posted @ 2012-05-10 18:07 Zee、 阅读(391) 评论(0) 推荐(0) 编辑